CCENT ICND1 Study Guide. Lammle Todd

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СКАЧАТЬ a physical topology. Line discipline, error notification (but not correction), the ordered delivery of frames, and optional flow control can also be used at this sublayer.

      Logical Link Control (LLC) Responsible for identifying Network layer protocols and then encapsulating them. An LLC header tells the Data Link layer what to do with a packet once a frame is received. It works like this: a host receives a frame and looks in the LLC header to find out where the packet is destined – for instance, the IP protocol at the Network layer. The LLC can also provide flow control and sequencing of control bits.

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